FR966974A - Information center for automatic telephone system - Google Patents

Information center for automatic telephone system

Info

Publication number
FR966974A
FR966974A FR966974DA FR966974A FR 966974 A FR966974 A FR 966974A FR 966974D A FR966974D A FR 966974DA FR 966974 A FR966974 A FR 966974A
Authority
FR
France
Prior art keywords
telephone system
information center
automatic telephone
automatic
center
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Jean-Antoine-Font Escande
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR966974A publication Critical patent/FR966974A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
FR966974D 1949-10-21 1948-05-21 Information center for automatic telephone system Expired FR966974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR59673T 1949-10-21

Publications (1)

Publication Number Publication Date
FR966974A true FR966974A (en) 1950-10-23

Family

ID=8693467

Family Applications (2)

Application Number Title Priority Date Filing Date
FR966974D Expired FR966974A (en) 1949-10-21 1948-05-21 Information center for automatic telephone system
FR59673D Expired FR59673E (en) 1949-10-21 1949-10-21 Information center for automatic telephone system

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR59673D Expired FR59673E (en) 1949-10-21 1949-10-21 Information center for automatic telephone system

Country Status (1)

Country Link
FR (2) FR966974A (en)

Also Published As

Publication number Publication date
FR59673E (en) 1954-06-29

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